BACKING UP INTO A PARKING SPOT. HIT THE BRAKES AND THE BRAKES FAILED. DID NOT STOP THE TRUCK. BACKED INTO A POLE WHICH STOPPED THE TRUCK. WAS IN A PARKING LOT. BACKING INTO A MARKED SPOT ON THE LOT. FORTUNATELY THERE WAS A POLE RATHER THAN A CAR OR PERSON THERE. THE POLE STOPPED THE VEHICLE. TOLD MY WIFE ABOUT IT. SHE DIDN'T BELIEVE ME OF COURSE - I GOOGLED BRAKE FAILURE AND THEN 4 DAYS LATER I SAW THE REPORT ON THE NEWS.